{
  "manageEntity": {
    "action": "Update",
    "entityId": "634944080",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x32110b32c335a09ef530a0fcbf037204a359a79c9ad28262c2b8507cb2ade783",
    "signature": "0xcd38be1db9e2a89f8e330dc002136a11336a1b94d2e3e4bebc33e4a0f73d9b9779af984063d3f1fc9fe768b6be397456a7db5587d8eb8112e763d11cc1eeb8061c",
    "signer": "0x692b82d6C9BCaE0f71b17a7C927Ff0bfEa9D6B11",
    "userId": "634944080"
  }
}